<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;padding: 0;
    }

    .wrap{
      width: 100%;
      height: 600px;
      background: #f05a5a;
      margin-top: 100px;
      overflow: auto;
    }
    .box{
      width: 100%;
      height: 300px;
      background: #62d3e0;
      margin-top: 50px;
    }
  </style>
</head>
<body>
  <div class="wrap">
    <div class="box"></div>
  </div>
</body>
</html>